500550061 has 4 divisors (see below), whose sum is σ = 546054624. Its totient is φ = 455045500.

The previous prime is 500550059. The next prime is 500550067. The reversal of 500550061 is 160055005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500550061 - 2¹ = 500550059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500550067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22752265 + ... + 22752286.

It is an arithmetic number, because the mean of its divisors is an integer number (136513656).

Almost surely, 2^500550061 is an apocalyptic number.

It is an amenable number.

500550061 is a deficient number, since it is larger than the sum of its proper divisors (45504563).

500550061 is a wasteful number, since it uses less digits than its factorization.

500550061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45504562.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 500550061 is about 22372.9761319320. The cubic root of 500550061 is about 793.9914751203.

It can be divided in two parts, 5005 and 50061, that multiplied together give a triangular number (250555305 = T₂₂₃₈₅).

The spelling of 500550061 in words is "five hundred million, five hundred fifty thousand, sixty-one".